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Gas Boiler Service Cost

£70–£110for a one-off gas boiler service, average around £79. Last updated October 2026.

Which? puts a one-off gas boiler service at somewhere from £70 to £110, with an average around £79. An electric boiler is a little less on average. Every job is priced on survey. Gas engineers who do boiler services

What each option costs

TypeTypical costNotes
One-off gas boiler service£70–£110Average around £79

What affects the price

  • Boiler make and condition
  • Location and access
  • Whether repairs or a certificate are separate

What’s included

  • Visual, operating, pressure, leak, and flue checks appropriate to the boiler
  • A service record

Good to know

How long does it take? How long a service takes depends on the boiler and what the visit finds.

Do I need one? Use a Gas Safe registered engineer and follow the manufacturer's service schedule.

Before you book, read how to check a gas engineer is Gas Safe registered.

How to pay less

  1. Book before the winter rush
  2. Confirm repairs are quoted separately

Sources

  1. Which?, Getting the best boiler service (2026)
  2. Gas Safe Register, Appliance Servicing

What would yours cost?

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Questions people ask

What does a gas boiler service cost?

Which? puts a one-off gas boiler service at somewhere from £70 to £110, with an average around £79. An electric boiler is a little less on average. Every job is priced on survey.

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